123232203100 has 18 divisors (see below), whose sum is σ = 267413880944. Its totient is φ = 49292881200.

The previous prime is 123232203097. The next prime is 123232203103. The reversal of 123232203100 is 1302232321.

It is an interprime number because it is at equal distance from previous prime (123232203097) and next prime (123232203103).

It is a super-2 number, since 2×123232203100² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123232203103) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 616160916 + ... + 616161115.

Almost surely, 2^123232203100 is an apocalyptic number.

123232203100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123232203100 is an abundant number, since it is smaller than the sum of its proper divisors (144181677844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

123232203100 is a wasteful number, since it uses less digits than its factorization.

123232203100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1232322045 (or 1232322038 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 123232203100 its reverse (1302232321), we get a palindrome (124534435421).

The spelling of 123232203100 in words is "one hundred twenty-three billion, two hundred thirty-two million, two hundred three thousand, one hundred".